C1: Champion James Slater (4 wins, 351 points.) A social politics student at the LSE from Bradford, West Yorkshire.
C2: Challenger Uzoma Isichei. A social media business analyst from Catford, South London. He used to be a background artist in film & TV, including a couple of episodes of Holby City and in the James Bond film, Skyfall.
DC: Susie Dent and Jimmy Osmond.
RR: Rachel Riley.
OT: Other words or solutions.